code: def nnp_file_name():
      return f"{nn.__version__}.nnp"
  
file_path: nnabla/python/test/utils/conversion/test_nnp_to_nnp_with_version.py
imports: import os
  import pytest
  import nnabla
  import nnabla.utils.converter
  from .nntxt import N0001, N0002, N0003, N0004, N0005
  from .common import generate_case_from_nntxt_str
label_desc: Use image node_id 1 for calling a global function with example usage: nnp_file_name() and returns: nn, str